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  1. Supertex

    VSS Related...

    Hard to find go fast goodies for tuned port these days. Back when I got sick of it and let it sit, I had a complete original new, unused Accel TPI base, the cast Accel LTRs, 58mm TB, and a set of first-gen Twisted Wedge heads. Sold it all for $1500 bucks or so. Makes me sick when I see what...
  2. Supertex

    VSS Related...

    This is an L98 tuned port. Injector pulse is batched odd-even...something that surprised me. Way back when, I thought TPI would be sequential...but that's OBD2...and reminds me of how this mess started. See...lol...grab a seat and I'll explain from the start.../TLDR incoming. I wanted to...
  3. Supertex

    VSS Related...

    I've been pretty heavily into thirdgen.org forums, as you might imagine, having TPI on this truck. I got the 4 PPR figure from their forum user 'RBob', who developed the flash-programmable version of the 7730 ECM (No more chip burning!). I don't know, myself. If the 700 had a 40 PPR sensor...
  4. Supertex

    VSS Related...

    Yeah, there is just so much wiring there, I missed it. It's a pretty decent-sized wad of wire, and it was really hard to find the splice. I didn't expect it to be in the original VSS wiring either, but rather in the 700's that they replaced with the 4L80. Now it kind of begs the question: How...
  5. Supertex

    VSS Related...

    C1500
  6. Supertex

    VSS Related...

    Indeed. You're right. After mulling it over...there would just be no way to NOT have some connection. Crawled under it this eve to figure it out. Thing is, when the harness folks rewired for the 7730 ECM, they left the part of the original harness that ran the 4L60E, in case I wanted to...
  7. Supertex

    VSS Related...

    See, that much I know. Thing is...there is NO INPUT from the tranny. So is it making some calculation or estimation of speed? I have the drac. It's behind the glove box. But the ONLY speed signal leaving the trans is direct to the aftermarket trans controller. There is no output from that...
  8. Supertex

    VSS Related...

    So... Where does my 93 1500 gauge cluster get its vehicle speed signal? May sound like a stupid question, but considering this was a TBI/4L60E, later swapped to an L98/700R4, and currently an L98/4L80E, and only thing receiving the VSS or TOSS, is the standalone transmission controller... I...
  9. Supertex

    93 Complete A/C system replacement - Questions for gurus

    ...you mean my lunacy. =P
  10. Supertex

    Low Voltage Issue

    So ...this is kind of an old thread, but your specifics appealed to me. I recently 'resurrected' my 93, and part of that process was adding the dual 16(?) inch fan/shroud combo from a 2005ish half ton. I've seen them hit 50A+ on startup, and then settle down to 22A-25A...each. My issue is a...
  11. Supertex

    How to adjust the steering box

    I bought a brand new quick ratio box from summit some years ago, and then had the manufacturer put a bigger torsion pin in it to stiffen it up. It was loose from day one, and I could put 2 full turns on it and not make a difference. Called em and asked about it, and they told me I screwed up...
  12. Supertex

    93 Complete A/C system replacement - Questions for gurus

    I tried. You can drill out 4 plastic weld points and it comes apart in halves, and then either reweld with amazon plastic weld rods, or just bolt it. Problem for me was that I couldn't find a good door. I'd have tried the floormat, but it didnt occur to me. I was considering using a...
  13. Supertex

    93 Complete A/C system replacement - Questions for gurus

    Yepper...LOTS of things need attention on this lil gem. =P It's basically sat for about the last 13-15 years. I'd drive it when I needed to haul a ladder...sometimes twice a week, sometimes once every 3 months. I should not have done that. That brake thing is complicated...like every damn...
  14. Supertex

    93 Complete A/C system replacement - Questions for gurus

    This is R12. Same potential apply?
  15. Supertex

    93 Complete A/C system replacement - Questions for gurus

    No one has ever accused me of brief =P. Since my last, I've added the dual 16" (?) fan and shroud off a 95. Wow. Kinda hard to shell out $350 for a shroud/fan combo and then immediately start cutting on it, but it turned out pretty nice. Of course I had to get Dakota Digital's 70 amp relays...
  16. Supertex

    Electric fan swap, on the cheap

    How did you mount...?
  17. Supertex

    93 Complete A/C system replacement - Questions for gurus

    Indeed, sir. I get axial and radial mixed up all the time...I just hate the way "pancake" sounds, heh.
  18. Supertex

    93 Complete A/C system replacement - Questions for gurus

    Even going down the road, I rarely see better than 45-42 so far. Given that we're probably 40% humidity and as of this moment 110°, maybe 40's isn't so bad? I've been watching what you post pretty carefully. You seem to know your stuff. I paid special attention to your recent comment to someone...
  19. Supertex

    93 Complete A/C system replacement - Questions for gurus

    Well, I don't want to start a big debate, and I've seen a bunch of them over statements like this, but in my opinion R12 beats R134 hands down. These systems were designed for 12, and even the factory 134 trucks were kind of a retrofit. When my 93 was only a few years old, a friend of mine...
  20. Supertex

    Engine Oil Cooler Question

    Pure gold, right there :rotflmao:
  21. Supertex

    93 Complete A/C system replacement - Questions for gurus

    I appreciate the chart. And no, the recovery unit doesn't appear to have an oil bottle.
  22. Supertex

    All new A/C system--> big problems. Help??

    I had something similar when I charged mine recently. Just posted about my fiasco, actually. But when charging, it just wouldn't take freon at first. I kept shutting the low-side gauge, and then cracking it open again, and the gauge would jump a little each time, but diminishing returns came...
  23. Supertex

    93 Complete A/C system replacement - Questions for gurus

    This is long, but supplying all the info is key to resolving problems, so...A/C gurus out there, please chime in. I'm sure you'll be helping more than just me. I just replaced my entire A/C system...what a headache. My system has always lost freon. Over the course of a year it would be all...
  24. Supertex

    The Overhead Console Thread

    I just got mine installed. While I was at the bone yard, I cut a template out of a suburban that already had a crappy headliner, and a missing console. Worked out really nicely for my install. I can get some precise measurements and add it to this thread as an attachement, if there is a...
  25. Supertex

    The Overhead Console Thread

    Pretty sure that's a "map compartment." Seems like CD covers would get destroyed if unseparated. I noticed that my Droid X will fit in the space at the front. Has me curious about the possibilities. Anyone have a source on widescreen TFT's?

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